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Volume: 13 | Article ID: art00056
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Evaluating Digital Film Look
  DOI :  10.2352/CIC.2005.13.1.art00056  Published OnlineJanuary 2005
Abstract

In cinematographic post production, digital processing of images - called Digital Intermediates (DI) – replaces more and more the traditional film workflow. Digital post production requires the preview of DIs with a reproduction of colors, dynamics and resolution comparable to the final film projection. This paper addresses the colorimetric reproduction by a color management approach and specifically develops a series of subjective tests to evaluate reproduction quality. Three subjective tests are developed. A first test – called Double-Stimulus Continuous Relative Quality Scale method (DSCRQS) - derived from the ITU-R BT.500-10 DSCQS test method allows non-biased, temporal digital versus film comparison. A second test, derived from ITU's DSIS and SDSCE tests, allows more sensible side-by-side comparison, but is biased. Finally a third test is introduced as a free in-depth side-by-side comparison to collect expert's comments. The test are based on a number of principles such as use of real film content, consideration of use cases and limitation of bias. A first test run of a test of second type was successfully applied to measure the effect of a change of a film projector's bulb in a color correction theatre.

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  Cite this article 

Jurgen Stauder, Laurent Blondé, Alain Trémeau, Joshua Pines, "Evaluating Digital Film Lookin Proc. IS&T 13th Color and Imaging Conf.,  2005,  pp 308 - 312,  https://doi.org/10.2352/CIC.2005.13.1.art00056

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